Home / 877,421,092.77-1,316,131,559.25-386,134,362.31

Finding the Fourth Proportional to 877,421,092.77, 1,316,131,559.25 and 386,134,362.31

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Solution

The fourth proportional to 877,421,092.77, 1,316,131,559.25 and 386,134,362.31 is: 579,201,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,421,092.77 : 1,316,131,559.25 = 386,134,362.31 : x
  2. Step 2: Convert to fraction form
    877,421,092.77/1,316,131,559.25 = 386,134,362.31/x
  3. Step 3: Cross multiply
    877,421,092.77x = 1,316,131,559.25 × 386,134,362.31
  4. Step 4: Simplify right side
    877,421,092.77x = 508,203,620,346,930,624
  5. Step 5: Solve for x
    x = 508,203,620,346,930,624/877,421,092.77
  6. Step 6: Final answer
    x = 579,201,508.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.